{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{1}{ccccc}}
\hline\hline
                    &         p50&        mean&          sd&         min&         max\\
\hline
a\_abc\_rn            &        0.14&     1964.71&    11769.12&       -0.19&    89924.06\\
b\_abc\_rn            &        0.17&     -664.37&     5600.44&   -54498.23&    10936.72\\
c\_abc\_rn            &        0.11&      963.47&     5610.93&       -0.68&    39590.11\\
\hline
Observations        &         136&            &            &            &            \\
\hline\hline
\end{tabular}
}
